(Guatemala City 1903–1981 New Jersey)
A Pythagorean Notebook. 1965.
Portfolio with 20 colour lithographs, the title and the imprint. 20/20, from the artist's edition. Each signed in pencil lower right: Alfred Jensen, also signed in the imprint. Varying image sizes on BFK Rives (with the watermark) 57 × 42 cm resp. 42 × 57 cm. Printed by Tamarind Press, Los Angeles (with the blindstamp). In original folder. Complete.